Cape Mentelle Weather Forecast

    • 12
    • 23

    Partly cloudy

    • 13
    • 24

    Partly cloudy

    • 15
    • 24

    Cloudy

    • 12
    • 25

    Mostly sunny

    • 13
    • 28

    Sunny

    • 15
    • 27

    Partly cloudy

    • 15
    • 24

    Partly cloudy

Today 6 Dec South West

Partly cloudy. Slight chance of a shower near the south coast in the morning. Near zero chance of rain elsewhere. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching 23 to 28.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
South to southwesterly about 10 knots tending westerly 10 to 15 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 2 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure sits across southern WA, with a weak cold front sweeping the eastern south coast. A trough develops through inland parts of the South West Land Division on Sunday and move eastwards on Monday. A second weak front will brush past the south coast on Sunday into Monday ahead of the next high pressure ridge.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Mentelle Temperature Statistics View More

December Temperature

Cape Naturaliste (47km)

  • Lowest 4 December, 2025

    12.9 °C

  • Average December

    19.1 °C

  • Highest 1 December, 2025

    32.1 °C

Climate (2020–Present)

Cape Naturaliste (47km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    22.7 °C
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